High-precision wear-resistant TPU (thermoplastic polyurethane) positioning mechanism

Abstract

The utility model discloses a high-precision wear-resistant TPU (thermoplastic polyurethane) positioning mechanism, and relates to the technical field of TPU positioning, the high-precision wear-resistant TPU positioning mechanism comprises a base, the bottom end face of the base is fixedly connected with a supporting rod, and the main body of the supporting rod is of a cylinder structure; the sliding block and the clamping block which are fixedly connected to the outer side of the movable seat are arranged, so that when the movable seat slides along the guide groove formed in the base, stable guide operation can be achieved by moving the sliding block and the clamping block which are fixedly connected to the outer side of the movable seat along the guide groove; when a TPU part is mounted on the inner side of the moving seat, the clamping plate can be driven by manually rotating the adjusting rod so as to clamp and position the TPU part, so that the TPU part can be clamped and positioned to realize the stretching and limiting operation of the TPU part when the TPU part stretching and limiting device is used, and the purpose of higher practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of TPU positioning, in particular to a high-precision wear-resistant TPU positioning mechanism. Background Technique

[0002] Thermoplastic polyurethane elastomer is also called thermoplastic polyurethane rubber, abbreviated as TPU. There is an existing patent for a positioning fixture for TPU dispensing. The patent publication number CN204338444U includes a bottom plate and a side key positioning plate arranged on the upper part of the bottom plate. A dispensing positioning plate is arranged on the side key positioning plate; a bracket base is arranged on the bottom plate, and a plurality of evenly distributed brackets are arranged on the bracket base; a plurality of evenly distributed side key positioning through holes corresponding to the positions of the brackets are arranged on the side key positioning plate; a plurality of dispensing positioning through holes are arranged on the dispensing positioning plate. The proposed positioning fixture for TPU dispensing in this case is designed as a three-plate fixture of a bottom plate, a side key positioning plate and a dispensing positioning plate, which makes the placement positioning and dispensing positioning of the side keys more accurate, more suitable for the development trend of more and more complex side keys in the ultra-thin mobile phone market, applicable to the dispensing of smaller single-particle TPU side keys, and effectively improves the working efficiency and dispensing quality of TPU side key dispensing.

[0003] Regarding the above-mentioned related technologies, the inventor believes that there are the following defects: when it is in use, although it can improve the dispensing efficiency, when it is in use, due to the lack of a clamping and positioning structure during the wear resistance test of the material, when the TPU material is clamped and positioned, it is very easy to cause displacement during the wear resistance test due to sliding, which will further affect the test result of the wear resistance of the material. Therefore, we propose a high-precision wear-resistant TPU positioning mechanism to solve the above-mentioned existing problems. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a high-precision wear-resistant TPU positioning mechanism, which solves the problem that in the existing technology, due to the lack of a clamping and positioning structure during the wear resistance test of the material, when the TPU material is clamped and positioned, it is very easy to cause displacement during the wear resistance test due to sliding, which will further affect the test result of the wear resistance of the material.

[0005] To achieve the above objectives, the utility model is realized through the following technical solutions: a high-precision wear-resistant TPU positioning mechanism, including a base, a support rod is fixedly connected to the bottom end surface of the base, and the main body of the support rod is a cylindrical structure. There are four support rods in total, and the four support rods are respectively fixedly connected to the four corners of the bottom end surface of the base. A cushion block is also fixedly connected to the bottom end surface of the four support rods, and the main body of the cushion block is a cylindrical structure. The cushion block and the support rod together form a support structure for the base.

[0006] Preferably, the main body of the base is a rectangular frame structure, and a transverse groove is provided inside the base. The transverse groove is a guiding groove, and there are two guiding grooves in total. The two guiding grooves are arranged in a linear array at the front and rear positions inside the base.

[0007] Preferably, a moving seat is installed inside the base, and the main body of the moving seat is a rectangular frame structure. Sliders are fixedly connected to the outer side of the moving seat. Two sliders are fixedly connected to the outer side of each moving seat in an opposing manner, and a clamping block is fixedly connected to the outer side of the slider.

[0008] Preferably, the slider and the clamping block together form a limiting structure for the moving seat. A side plate A is fixedly connected to the bottom end surface of the base, and the side plate A is perpendicular to the bottom end surface of the base.

[0009] Preferably, a cylinder is installed at the output end of the side plate A, and a side plate B is installed at the output end of the cylinder. The side plate B is fixedly connected to the bottom end surface of the moving seat and is perpendicular to the moving seat.

[0010] Preferably, a threaded hole is provided inside the moving seat, and an adjusting rod is screwed into the threaded hole. The main body of the adjusting rod is a lead screw structure, and a knob is fixedly connected to the top end surface of the adjusting rod.

[0011] Preferably, the adjusting rod and the knob together form an adjusting structure. The bottom end of the adjusting rod is rotatably connected to a clamping plate. The main body of the clamping plate is a rectangular structure. Two guide rods are fixedly connected to the top end surface of the clamping plate in a linear array, and a TPU part is clamped and limited inside the clamping plate. Beneficial effects

[0012] The utility model provides a high-precision wear-resistant TPU positioning mechanism. Compared with the prior art, it has the following beneficial effects:

[0013] For this high-precision wear-resistant TPU positioning mechanism, by providing sliders and clamping blocks fixedly connected to the outer side of the moving seat, when the moving seat slides along the guiding groove provided in the base, stable guiding operation can be achieved by moving the sliders and clamping blocks fixedly connected to the outer side of the moving seat along the guiding groove, thereby achieving a more practical purpose.

[0014] For this high-precision wear-resistant TPU positioning mechanism, by providing an adjusting rod and a clamping plate, when the TPU part is installed at the inner side position of the moving seat, the clamping plate can be driven by manually rotating the adjusting rod to perform clamping and positioning operations on the TPU part, so that during use, clamping and positioning of the TPU part can be achieved to perform stretching and limiting operations on the TPU part, thereby achieving a more practical purpose. Description of the drawings

[0015] Figure 1 The front side view structural schematic diagram after partial structure of the positioning mechanism of the present utility model is sectioned.

[0016] Figure 2 The top side view structural schematic diagram of the positioning mechanism of the present utility model.

[0017] Figure 3 The combined structural schematic diagram of the moving seat and the slider of the positioning mechanism of the present utility model.

[0018] Figure 4 The combined structural schematic diagram of the clamping plate and the guide rod of the positioning mechanism of the present utility model.

[0019] Figure 5 The front view structural schematic diagram of the positioning mechanism of the present utility model.

[0020] Figure 6 The combined structural schematic diagram of the base and the support rod of the positioning mechanism of the present utility model.

[0021] In the figure: 1. Base; 101. Support rod; 102. Pad; 103. Guide groove; 2. Moving seat; 201. Slider; 202. Clamping block; 203. Side plate A; 204. Cylinder; 205. Side plate B; 3. Adjusting rod; 301. Knob; 302. Clamping plate; 303. Guide rod; 304. TPU part. Specific implementation manners

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-6 , the present utility model provides a technical solution: a high-precision wear-resistant TPU positioning mechanism, including a base 1, a support rod 101 is fixedly connected to the bottom end surface of the base 1, and the main body of the support rod 101 is a cylindrical structure. There are four support rods 101 in total, and the four support rods 101 are respectively fixedly connected to the four corner positions of the bottom end surface of the base 1. A pad 102 is also fixedly connected to the bottom end surface of the four support rods 101, and the main body of the pad 102 is a cylindrical structure. The pad 102 and the support rod 101 together form a support structure for the base 1;

[0024] By fixedly connecting a pad 102 to the bottom end surface of the support rod 101, when it is in use, the auxiliary support operation for the base 1 can be realized.

[0025] Refer to Figure 2, Figure 3 The main body of the base 1 is a rectangular frame structure, and a transverse groove is provided inside the base 1. This transverse groove is the guiding groove 103, and there are two guiding grooves 103 in total. The two guiding grooves 103 are arranged in a linear array at the front and rear positions inside the base 1.

[0026] By providing the guiding groove 103 inside the base 1, stable guiding operation can be performed on the moving seat 2 during its use.

[0027] Refer to Figure 1 , Figure 4 A moving seat 2 is installed inside the base 1. The main body of the moving seat 2 is a rectangular frame structure. A slider 201 is fixedly connected to the outside of the moving seat 2. Two sliders 201 are fixedly connected to the outside of each moving seat 2 in an opposing manner. A clamping block 202 is fixedly connected to the outside of the slider 201.

[0028] By fixedly connecting sliders 201 to both the front and rear side surfaces of the moving seat 2, auxiliary movement can be achieved during its use.

[0029] Refer to Figure 3 , Figure 5 The slider 201 and the clamping block 202 together form a limiting structure for the moving seat 2. A side plate A203 is fixedly connected to the bottom end surface of the base 1, and the side plate A203 is perpendicular to the bottom end surface of the base 1.

[0030] By fixedly connecting the clamping block 202 to the outside of the slider 201, the slider 201 can be prevented from disengaging during its use.

[0031] Refer to Figure 1 , Figure 6 A cylinder 204 is installed on the output end of the side plate A203. A side plate B205 is installed on the output end of the cylinder 204. The side plate B205 is fixedly connected to the bottom end surface of the moving seat 2 and is perpendicular to the moving seat 2.

[0032] By fixedly connecting the side plate B205 to the bottom end surface of the moving seat 2, it can cooperate with the cylinder 204 for pushing use during its use.

[0033] Refer to Figure 4 , Figure 6 A threaded hole is provided inside the moving seat 2. An adjusting rod 3 is screwed into the threaded hole. The main body of the adjusting rod 3 is a lead screw structure. A knob 301 is fixedly connected to the top end surface of the adjusting rod 3.

[0034] By screwing the adjusting rod 3 into the moving seat 2, the push adjustment of the clamping plate 302 can be achieved during its use.

[0035] Refer to Figure 1 、 Figure 2 The adjusting rod 3 and the knob 301 together form an adjusting structure. The bottom end of the adjusting rod 3 is rotatably connected with a clamping plate 302. The main body of the clamping plate 302 is a rectangular structure. Two guide rods 303 are fixedly connected in a linear array on the top surface of the clamping plate 302. And a TPU part 304 is clamped and limited inside the clamping plate 302;

[0036] By fixedly connecting two guide rods 303 in a linear array on the top surface of the clamping plate 302, stable guiding can be achieved during its use.

[0037] During operation, when the wear resistance of the TPU part 304 is detected, the TPU part 304 can be inserted into the inner position of the moving seat 2 slidably connected in the base 1, and at the same time, the knob 301 fixedly connected to the top end of the adjusting rod 3 can be manually held and rotated to drive. And when the adjusting rod 3 rotates, it can drive the clamping plate 302 to move downward. And when the clamping plate 302 moves downward, the guide rods 303 fixedly connected to the top surface of the clamping plate 302 can be used to move along the moving seat 2 to realize the clamping operation of the TPU part 304;

[0038] And after the clamping and positioning are completed, the cylinder 204 installed outside the side plate A203 can be started to pull the side plate B205. And when the side plate B205 is pulled outward, the moving seat 2 in the guide groove 103 of the sliding connection base 1 can be driven to move outward synchronously to realize the moving and unfolding operation of the TPU material, so that during its use, the surface wear resistance detection operation can be realized by contacting the test equipment with the TPU part 304.

[0039] In summary, by providing the adjusting rod 3 and the clamping plate 302, rapid clamping operation can be realized during its use.

[0040] At the same time, the content not described in detail in this specification belongs to the prior art well known to those skilled in the art.

Claims

1. A high-precision wear-resistant TPU positioning mechanism, comprising a base (1), characterized in that: A support rod (101) is fixedly connected to the bottom end surface of the base (1), and the main body of the support rod (101) is a cylindrical structure. The support rod (101) is provided at four locations, and the four support rods (101) are respectively fixedly connected to the four corners of the bottom end surface of the base (1). A cushion block (102) is also fixedly connected to the bottom end surface of the four support rods (101), and the main body of the cushion block (102) is a cylindrical structure. The cushion block (102) and the support rod (101) together form a support structure for the base (1).

2. A high-precision wear-resistant TPU positioning mechanism according to claim 1, characterized in that: The main body of the base (1) is a rectangular frame structure, and a transverse groove is provided inside the base (1), the transverse groove being a guide groove (103), and there are two guide grooves (103) in total, the two guide grooves (103) being provided in a linear array at the front and rear sides of the base (1).

3. A high-precision wear-resistant TPU positioning mechanism according to claim 2, characterized in that: A moving seat (2) is installed inside the base (1), and the main body of the moving seat (2) is a rectangular frame structure. A slider (201) is fixedly connected to the outside of the moving seat (2), and two sliders (201) are fixedly connected to the outside of each moving seat (2) in opposite directions, and a clamping block (202) is fixedly connected to the outside of the slider (201).

4. A high-precision wear-resistant TPU positioning mechanism according to claim 3, characterized in that: The slider (201) and the clamping block (202) together form a limiting structure for the movable seat (2), and a side plate A (203) is fixedly connected to the bottom end surface of the base (1), and the side plate A (203) and the bottom end surface of the base (1) are arranged vertically.

5. A high-precision wear-resistant TPU positioning mechanism according to claim 4, characterized in that: The output end of the side plate A (203) is mounted with a cylinder (204), and the output end of the cylinder (204) is mounted with a side plate B (205), and the side plate B (205) is fixedly connected to the bottom end surface of the moving seat (2) and is arranged vertically with respect to the moving seat (2).

6. The high-precision wear-resistant TPU positioning mechanism according to claim 3, characterized in that: A screw hole is provided inside the movable seat (2), an adjusting rod (3) is screwed inside the screw hole, the main body of the adjusting rod (3) is a screw rod structure, and a knob (301) is fixedly connected to the top surface of the adjusting rod (3).

7. A high-precision wear-resistant TPU positioning mechanism according to claim 6, characterized in that: The adjusting rod (3) and the knob (301) together form an adjusting structure, and the bottom end of the adjusting rod (3) is rotatably connected to a clamping plate (302), and the main body of the clamping plate (302) is a rectangular structure, and two guide rods (303) are fixedly connected in a linear array on the top surface of the clamping plate (302), and a TPU piece (304) is provided inside the clamping limiter of the clamping plate (302).

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